Ceyear 3656 Series Quick Start Manual
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Ceyear 3656 Series Quick Start Manual

Vector network analyzer
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3656 Series
Vector Network Analyzer
Quick Start Guide
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  • Page 1 3656 Series Vector Network Analyzer Quick Start Guide...
  • Page 3 This guide is applicable to Vector Network Analyzer of the following models, based on firmware of version 1.0 or above.  3656A Vector Network Analyzer  3656B Vector Network Analyzer  3656D Vector Network Analyzer...
  • Page 4 certifications. Preface Manual Authorization Thank you for choosing 3656 Safety Precautions Series Vector Network The information contained in Analyzer developed WARNING this manual is subject to changes produced by the CETI As a without notice. high-grade, precise explanation right of all the “Warning”...

  • Page 7: Table Of Contents

    Contents 1. Manual Overview ..................1 1.1 About Manual ........................... 1 1.2 Relevant Files ..........................1 2. Ready for Use ..................... 4 2.1 Pre-operation Preparations ......................4 2.2 Startup and Shutdown ....................... 6 2.3 Front Panel ..........................7 2.4 Operating Interface ........................8 2.5 Rear Panel ..........................

  • Page 9: Manual Overview

    This Chapter introduces preparations before operation, startup and operation, panel introduction etc. of 3656 Series Vector Network Analyzer. Through this chapter, you may acquire knowledge of 3656 Series Vector Network Analyzer on the whole, and make a well preparation for proper and safe operation.
  • Page 10 Manual Overview Programming Manual Online Help Quick Start Guide This manual introduces instrument startup and basic operating methods of measurement in order to make users understand characteristics of instrument and grasp basic setup, basic local and distance control operating methods. It mainly contains: Manual Overview Ready for Use Typical Application...
  • Page 11 Manual Overview Online help is integrated in the instruments, which provides rapid document navigation service to make local and distance operation convenient for users. All front panel keys of instrument or user interface menu have corresponding shortcut keys to activate this function.

  • Page 12: Ready For Use

    We will no longer provide free maintenance if disassembly without authorization occurs, even during warranty period. 2.1.1 Environment To ensure the service life and measurement validity & accuracy of 3656 Series Vector Network Analyzer, please use instrument under following conditions: 1. Temperature range: Storage temperature range: -20°C～+70°C...
  • Page 13 Ready for Use Low air pressure(altitude): 0～4600m 2.1.2 Power Supply 3656 Series Vector Network Analyzer uses 220V or 110V alternating currents. The requirements of analyzer on external power supply are listed in the following table: Table 2-1 Requirements of Power Supply...

  • Page 14: Startup And Shutdown

    2.2 Startup and Shutdown Before powering on 3656 Series Vector Network Analyzer, please check power supplying equipment as required in 2.1.2 “Power Supply Requirements”. Do not power on instrument until confirming that power supplying device is in normal condition.

  • Page 15: Front Panel

    Ready for Use conditions in most cases, it does not mean that this is a safe operating method. 2.3 Front Panel This section describes front panel of 3656 Series Vector Network Analyzer in details, as shown in Figure 2.1: 13. Soft Keys 12.

  • Page 16: Operating Interface

    2.4 Operating Interface 3656 Series Vector Network Analyzer is equipped with TFT 10.4 inch LED crystal display screen and supports touch-screen function, which displays all measurement setup, status and results etc. Operating interface after opening all tool bars are as the following picture: 8.

  • Page 17: Rear Panel

    Every key on front panel has corresponding soft key menu and makes it Tool Bar simpler to operate. 2.5 Rear Panel This section describes rear panel of 3656 Series Vector Network Analyzer in details, as shown in the following picture: 10. Power Switch 9. Power Cable Receptor 1.
  • Page 18 Ready for Use locked to the external reference signal. Input frequency: 10MHz±10ppm, input level: -5dBm～+5dBm. Connect the analyzer to the power source. It is recommended to use the three-core power cable with a ground conductor equipped with the Power Cable Receptor instrument.

  • Page 19: Chapter Iii Typical Applications

    This Chapter describes some testing examples of DUT in common use with 3656 Series Vector Network Analyzer. It describes tests over filters and amplifiers in details and other featured functions and setup of 3656 Series Vector Network Analyzer.

  • Page 20: Filter Test

    Typical Applications 3.1 Filter Test This section describes how to measure the characteristics of a 2GHz center frequency as an example, such as insertion losses, out-of-band rejection, return loss, and etc. 3.1.1 Set up measurement Conditions  Press【Preset】on front panel to return the analyzer to the initial setup state, when it reaches regulated pre-heating time.
  • Page 21 Typical Applications Figure 3-2 Sweep Soft Key Menu  Press 【Avg】key on front panel and press [IF Bandwidth] in soft key menu displayed on the right side of display screen. press【10】→【 /off】 in the entry bar on screen to set IF frequency 10Hz. Figure 3-3 Average Soft Key Menu 3.1.2 Calibration To improve the accuracy of measurement results, you may calibrate the analyzer before measuring the...
  • Page 22 Typical Applications left side of the following picture. If default calibration kit under Cal Kit is not current calibration kit required, press [Cal Kit 20205] and select [20202]; Figure 3-4 Calibration Kit Soft Key Menu  Set up calibration type: Press [Calibration] → [Solt 2-Port]. Solt 2-Port soft key menu will be shown on the right side of the following picture.
  • Page 23 Typical Applications  Press [Reflection] in Solt 2-port soft key menu in the right side of the above picture. Reflection calibration menu will be shown in the following picture. Figure 3-6 Solt 2-Port Reflection calibration  Connect Port 1 and Port 2 of the analyzer respectively with N-3.5mm cable. Connect 3.5mm female OPEN standard to the other end of the cable connected to the PORT 1.
  • Page 24 Typical Applications Figure 3-7 Soft Key Menu of SOLT 2-Port Reflection Calibration Completion There is no regulated sequence for open circuit, short-circuit, and loading Caution in practical calibration. You may choose arbitrarily.  Connect 3.5mm THRU connector to between Port 1 and Port 2. Press [Transmission] in Full 2- Port soft key menu.
  • Page 25 Typical Applications Figure 3-9 Soft Key Menu of FULL 2-Port Calibration Completion  Dialog box of Delay will pop up after full 2-port calibration and measurement is completed as shown in the following picture. For unknown through adapter is used in previous transmission calibration, the Analyzer will automatically calculate delay value of unknown thru and display it in dialog box.
  • Page 26 Typical Applications Figure 3-11 Filter Connection  To present measurement curves of filter better, you can manually enter the arbitrary values to adjust the scale: Press 【Scale】key on front panel and press [Scale] in Scale soft key menu on the right side of screen.
  • Page 27 Typical Applications Figure 3-13 Soft Key Menu Process of Filter Test  Press [Bandwidth] as shown in Figure 3-14. Press [Filter Test] in soft key menu of Bandwidth Search. Press [Filter Test on|OFF] in soft key menu of filter test. As shown in Figure 3-14, the rightmost menu indicates Filter Test function is on.
  • Page 28 Typical Applications multiple traces. Steps are as follows: Press 【TRACE】key on front panel and press [New S-Parameter] in soft key menu. Four S parameters will be displayed. You may select [S11], [S12], and [S22] in sequence. Figure 3-15 New S Parameter Soft Key Menu ...
  • Page 29 Typical Applications UserPreset.cst] is to save current status as user reset status. Press 【Recall】key after setup and recall this status saved directly. Figure 3-17 Save Soft Key Menu  The analyzer also provides various other saving formats. Press [Save as …] and a dialog box as shown below will pop up.

  • Page 30: Amplifier Test

    Typical Applications menu will pop up in the right side of screen. As shown in the left side of the picture below, you may select file required to recall directly in soft key menu list. You may also press [Recall…] and select status file needed to recall in the dialog box in the right side.
  • Page 31 -10dBm. Notice Maximum power 3656 Series Vector Network Analyzer can test is +10dBm. It is required to lower output power of the analyzer because the gain of amplifier tested is around 12dB. It can be guaranteed that the maximum power will not be exceeded after going through amplifier.
  • Page 32 Typical Applications  Press 【Trace】key on front panel and press [New S-Param] to call up submenu soft key menu. Four S parameters will be displayed, please click [S21], [S12], and [S22] in sequence. Figure 3-21 New Trace Soft Key Menu ...
  • Page 33 Typical Applications →【G/n】 in input box of Marker 2. Data of these 2 frequency points will be displayed on the screen. Figure 3-23 Amplifier Test Displayed in Four Windows  Measurement of 1dB compression point of amplifier: you may connect 20dB attenuator first at output end of amplifier and reset analyzer.

  • Page 34: Customization Of Trl Cal Kit

    Figure 3-25 Power Sweep Test Curve 3.3 Customization of TRL Cal Kit Apart from the basic functions of measuring the normal DUT, 3656 Series Vector Network Analyzer can also provide users with accurate TRL calibration and measurement, particularly suitable for the measurement under non-coaxial environment, which provides a more accurate solution for users to perform measurement with non-standard coaxial cable.
  • Page 35 Typical Applications  Click [Response] on the program main menu, as shown in below figure, click [Edit Cal Kit...] on the [Cal] sub-menu, then Edit Cal Kit dialog box pops up. Figure 3-26 Edit Cal Kit Menu  Click [Insert New…] on the Edit Cal Kit dialog box at the bottom of the following picture, a dialog box pops up as shown by the arrow.
  • Page 36 Typical Applications Figure 3-28 Add Cal Standard  As shown in the below figure, click [OPEN] and then [OK], Opens dialog box pops up, where the default value is adopted. After setting, click [OK] to close the dialog box, thus the OPEN standard is defined.
  • Page 37 Typical Applications Figure 3-30 Edit THRU Cal Standard  As shown in the following picture, click [LINE] and then [OK], Thru/Line/Adapter dialog box pops up. Input 0.48 to Delay Characteristics dialog box, then press 【G/n】key of ENTRY on the front panel to set the delay as 480ps.
  • Page 38 Typical Applications Figure 3-32 Modify TRL Calibration Class Assignments Dialog Box  As shown in the left figure of the following picture, on the Calibration Kit Class area, select [TRL THRU], then select [3 THRU 3.5mm THRU] in the area of Unselected Standards. Then click the button on the red circle to add the standard to the area of Selected Standards, the completion is as shown in the right figure of the following picture.

  • Page 39: Limit Test

    Typical Applications Figure 3-34 Edit TRL Reflection Class  Select the calibration standard for TRL transmission LINE, as shown in the below figure, select [TRL LINE/MATCH] for calibration kit, then select the [2 LINE 3.5mm LINE] option in the area of unselected standards, then click the button on the red circle to add the standard to the area of selected standards, the completion is as shown in the right figure of the following picture.
  • Page 40 Typical Applications Figure 3-36 Filter Test Curve  Press 【Analysis】key on the front panel, then press [Limits] on the Analysis soft key menu as shown below. On the Limits soft key menu, press [Limit Test on|OFF] to open the limit test; press [Limit Line on|OFF] to open the limit line;...
  • Page 41 Typical Applications the set limit line value before PASS. Users may set up multi-segment limits as required, the first segment of limit line in this example is set as follows: [Type]:MAX; [Start Stimulus]: 1.0GHz, [Stop Stimulus]: 1.7GHz; [Start Response]: -120dB, [Stop Response]: -120dB; [Limit Type]: SLOP. Figure 3-38 Limit Table Setting ...
  • Page 42 Typical Applications  If the test result fails to meet the pre-set limit value, then a red FAIL as shown in the following picture will display and Trl: Fail will display on the lower right corner of the screen, sending voice warning at the same time.
  • Page 43 Typical Applications Figure 3-42 Color Selection  Select the color required in the above figure in this example and click [OK], and the color of the limit line will change to the color selected by the users.

  • Page 44: Getting Help

    4.1 Basic Check If any problems occur on the 3656 Series Vector Network Analyzer you are using. You can check them yourself following the below guidance. If the problems persist, please contact us.

  • Page 45: Help Information

    Getting Help 4.2 Help Information 3656 Series Vector Network Analyzer provides “Error Log” function, when a problem occurs, the instrument will automatically generate an “Error Log”, which records the abnormities of hardware, file deletions, program control, etc.; it is composed of three levels, including message, warning and error, and used for assisting in analyzing instrument failure.

  • Page 46: Repair Methods

    Getting Help 4.3 Repair Methods When problems with 3656 Series Vector Network Analyzer are difficult to solve, please contact us by phone or fax. If the instrument needs to be repaired, please follow the steps below to package the instrument: Write a paper document describing the instrument failure and put it in the packing case with the analyzer;...

  • Page 47: Appendix I: Technical Indicators

    Appendix I: Technical Indicators The technical indicators of 3656 Series Vector Network Analyzer have been strictly tested when leaving the factory, the major ones are as shown in the below table. Technical Indicators of 3656A/B Vector Network Analyzer Test Item...
  • Page 48 IF Bandwidth Min. 1Hz；Max. 5MHz，in 1，2，3，5，7 step Port connector type N type (female) 50 ohm system impedance N type (female) 75 ohm system impedance（3656-H01） Number of test ports Number of test receivers Reference level amplitude Setting range: ±500dB setting Setting resolution: 0.001dB Reference phase setting Setting range: ±500°...
  • Page 49 Technical Indicators of 3656D Vector Network Analyzer Test Item 3656D 300kHz ～ 20GHz Frequency range Frequency resolution ±1×10 Frequency accuracy (23℃±3℃) Frequency range 2-port 4-port 300kHz～100MHz 95dB 90 dB 100MHz～1GHz 110dB 100 dB System dynamic range 1GHz～6GHz IF Bandwidth：10Hz 120dB 115 dB 6GHz～8GHz 117dB...
  • Page 50 Test points 1 to 16001 IF Bandwidth Min. 1Hz；Max. 5MHz，in 1，2，3，5，7 step Port connector type 3.5mm (male) 50 ohm system impedance Number of test ports Number of test receivers Reference level amplitude setting Setting range：±500dB Setting resolution：0.001dB Reference phase setting Setting range：±500°...

  • Page 51: Annex Ii: Accessories/Options List

    20402 electronic calibration kit (300kHz～18GHz，N-type(NMNF)，2-port） 3656-H12 20403 electronic calibration kit（10MHz～26.5GHz，3.5mm（NMNF），2-port） 3656-H13 20405 electronic calibration kit（10MHz～20GHz，3.5mm（NF），4-port） 3656-H14 3656 Series User’s Manual (Chinese) 3656 Series User’s Manual (English) 3656-H15 3656-H16 Aluminum alloy transportation case 3656-H17 Front paneljumper（supporting 4-port extension and receiver through test）...
  • Page 52 3656-H11 20402 electronic calibration kit (300kHz～18GHz，N-type(NMNF)，2-port） 3656-H12 20403 electronic calibration kit（10MHz～26.5GHz，3.5mm（NMNF），2-port） Options 3656-H13 20405 electronic calibration kit（10MHz～20GHz，3.5mm（NF），4-port） 3656 Series User’s Manual (Chinese) 3656-H14 3656-H15 3656 Series User’s Manual (English) 3656-H16 Aluminum alloy transportation case 3656-H18 2813A 4-port test device （supported by the option 3656-H29）...
  • Page 53 3656-H11 20402 electronic calibration kit (300kHz～18GHz，N-type(NMNF)，2-port） 3656-H12 20403 electronic calibration kit（10MHz～26.5GHz，3.5mm（NMNF），2-port） Options 3656-H13 20405 electronic calibration kit（10MHz～20GHz，3.5mm（NF），4-port） 3656 Series User’s Manual (Chinese) 3656-H14 3656 Series User’s Manual (English) 3656-H15 3656-H16 Aluminum alloy transportation case 3656-H18 2813A 4-port test device （supported by the option 3656-H29）...

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